Where does “antaŭdiro” come from?

antaŭdiro (Esperanto) comes from Esperanto antaŭdiri, from Esperanto diri, from Occitan dire, from Old Occitan dire, from Latin dīcō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

antaŭdiro (Esperanto): prediction

Definitions

prediction

Ancestry of “antaŭdiro”, step by step

Step	Language	Word	Meaning
1	Esperanto	antaŭdiri	to predict, foretell
2	Esperanto	diri	to say, tell
3	Occitan	dire	to say; to mean; to signify
4	Old Occitan	dire	to say
5	Latin	dīcō	to say, talk, speak, utter, mention
6	Latin	-tiō	tion, -ation, -ing
7	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
8	Latin	dissertus	arranged, disposed; explained
9	Latin	disserere	second-person singular future passive indicative...
10	Latin	dis-	asunder, apart, in two; reversal, removal;...
11	Latin	calceus	shoe
12	Latin	calx	limestone; chalk; the finish line
13	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →